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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER F90-02.01 BORING NO. MW-13 <br /> PROJECT NAME A.Teichert & Son,;nc. PAGE 2 OF 5 <br /> BY D.Buchanan DATE 8/13/92 SURFACE ELEV. 20.46 ft. <br /> PEN ET RA- C3 N Cn LITHO- WELL <br /> PID RECOVERY TION =tW- J GRAPHIC DESCRIPTION <br /> �-�- DETAIL <br /> Qw LaLJ-� � COLUM <br /> (ppm) (ft/ft) (blas/ft) (.�J G <r <br /> N <br /> FM.L,SANDY CLAY(CL)(continued) <br /> 25 <br /> X. SAND(SP),dark grayish brown(2.5Y,4/2);trace <br /> fines; fine sand,quartz,trace feldspar,trace dark <br /> grains; damp,n0 product odor. <br /> 0 0.9/1.5 <br /> CLAY(CH),black(5Y,2.5/1);high plasticity Fines; <br /> 11 stiff;damp; strong product odor. <br /> . . . . SAND(SP),black(5Y,2.5/1)to dark gray(5Y, <br /> 0 1.0/1.5 <br /> 30 . . 4/1); interbeds of fine and medium sand;sand is <br /> • • subangular to subrounded,quartz;all grains are <br /> 13 .. stained black;medium dense;damp; strong <br /> product odor.Occasional lens up to 0.1' thick <br /> with 10-159'0 low plasticity fines. <br /> : . @ 35': Brown(10YR,4/3); 30% fine sand;70% <br /> • medium sand;sand is subangular, 50%quartz, <br /> 40%dark rock fragments, 10% feldspar, trace <br /> coarse sand to fine gravel,chert; dense;damp;no <br /> . . product odor. <br /> 30 1.5/1.5 35 . . . • CLAYEY SAND(SC),brown (10YR,5/3)with <br /> . . olive gray(5Y,5/2)staining;20% low plasticity <br /> 45 fines; 80% fine sand,subangular,quartz,5%dark <br /> grains, 10% feldspar,caliche abundant locally; <br /> hard; damp; moderate product odor. <br /> SANDY CZ.AY TO CS.AYEY SAND(CSCE, <br /> brown(10YR,5/3); 50%low plasticity fines;50% <br /> fine sand,quartz,trace dark grains, trace <br /> feldspar; hard/dense;damp;moderate product <br /> 40 odor. <br /> REMARKS <br /> Soil boring was drilled using 8-inch diameter hollow-stem auger drilling equipment and sampled with a modified <br /> California split-spoon sampler equipped with stainless steel liners.See attached well details for well construction <br /> information. <br /> E ON <br /> ASSOCIATES <br />